1052185387 has 6 divisors (see below), whose sum is σ = 1156534484. Its totient is φ = 956532060.

The previous prime is 1052185373. The next prime is 1052185397. The reversal of 1052185387 is 7835812501.

It is not a de Polignac number, because 1052185387 - 2⁷ = 1052185259 is a prime.

It is a super-2 number, since 2×1052185387² = 2214188177232679538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052185307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4347753 + ... + 4347994.

Almost surely, 2^1052185387 is an apocalyptic number.

1052185387 is a deficient number, since it is larger than the sum of its proper divisors (104349097).

1052185387 is an equidigital number, since it uses as much as digits as its factorization.

1052185387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695769 (or 8695758 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1052185387 is about 32437.4072175937. The cubic root of 1052185387 is about 1017.1010171771.

Adding to 1052185387 its reverse (7835812501), we get a palindrome (8887997888).

The spelling of 1052185387 in words is "one billion, fifty-two million, one hundred eighty-five thousand, three hundred eighty-seven".